black

#000000

#307B9D

#307B9D

Contrast Ratio

4.45:1

Delta E

55.85

Very Different

50:50 Mix

Color Values

Format #000000 #307B9D
HEX #000000 #307B9D
RGB 0, 0, 0 48, 123, 157
HSL 0.0, 0.0%, 0.0% 198.7, 53.2%, 40.2%
HSV 0.0, 0.0%, 0.0% 198.7, 69.4%, 61.6%
CMYK 0%, 0%, 0%, 100% 69.4%, 21.7%, 0.0%, 38.4%
OKLCH 0.0 0.0 0.0 0.5514 0.0899 231.3

Contrast & Accessibility

4.45:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #307B9D → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #307B9D

Color Difference (Delta E)

55.85 Very Different
0 — Identical 5 — Similar 25 — Noticeable 100 — Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #307B9D);
background: linear-gradient(135deg, #000000, #307B9D);

Explore Each Color

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